Fuzzy Logic Evaluation of Knee Flexion Angle During Gait

In this paper, we propose a method for quantitative gait analysis with videos. First, the joint position coordinates are estimated with the gait video. Next, by tracking the person and analyzing the knee joint, we obtain the time series data of the subject's knee flexion angle. Finally, based o...

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Main Authors: Hayashi, Kohei, Harada, Risa, Naomiyagi, Hata, Yutaka, Saji, Yoshiaki, Sakai, Yoshitada
Format: Conference Proceeding
Language:English
Subjects:
3D Pose Estimation
Fuzzy logic
Gait Analysis
Knee
Knee Flexion Angle
Medical services
Performance evaluation
Pose estimation
Three-dimensional displays
Time series analysis
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creator Hayashi, Kohei
Harada, Risa
Naomiyagi
Hata, Yutaka
Saji, Yoshiaki
Sakai, Yoshitada
description In this paper, we propose a method for quantitative gait analysis with videos. First, the joint position coordinates are estimated with the gait video. Next, by tracking the person and analyzing the knee joint, we obtain the time series data of the subject's knee flexion angle. Finally, based on fuzzy logic, we evaluate how close the subject's gait was to a normal gait. As a result, the mean value of fuzzy degree is 0.70±0.031(range: 0.64-0.74) for healthy adults and 0.18±0.043(range: 0.11-0.22) for patients. This system enables quantitative evaluation of gait more easily than existing methods.
doi_str_mv 10.1109/ICMLC58545.2023.10327930
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subjects 3D Pose Estimation
Fuzzy logic
Gait Analysis
Knee
Knee Flexion Angle
Medical services
Performance evaluation
Pose estimation
Three-dimensional displays
Time series analysis
title Fuzzy Logic Evaluation of Knee Flexion Angle During Gait
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